MAX7480 Maxim, MAX7480 Datasheet - Page 5

• Manufacturer Part Number: MAX7480
• Description: 8th-Order / Lowpass / Butterworth / Switched-Capacitor Filter
• Manufacturer: Maxim

(V
DD
= +5V, f
1.03
1.02
1.01
0.99
0.98
0.97
1
CLK
-40
NORMALIZED OSCILLATOR FREQUENCY
= 100kHz, SHDN = V
-20
_______________________________________________________________________________________
vs. TEMPERATURE
0
TEMPERATURE (°C)
20
40
DD
C
60
OSC
, V
8th-Order, Lowpass, Butterworth,
= 530pF
COM
80
100
= V
Typical Operating Characteristics (continued)
OS
= V
DD
/ 2, T
Switched-Capacitor Filter
A
= +25°C, unless otherwise noted.)
Table A. THD+N vs. Input Signal
Amplitude Test Conditions
TRACE
A
B
(Hz)
400
200
-10
-20
-30
-40
-50
-60
-70
-80
-90
f
IN
TOTAL HARMONIC DISTORTION PLUS NOISE
0
0
0.5
vs. INPUT SIGNAL AMPLITUDE
(kHz)
1.0 1.5 2.0
f
2
1
C
AMPLITUDE (Vp-p)
(kHz)
f
200
100
CLK
2.5 3.0 3.5 4.0 4.5 5.0
A
B
NO LOAD
(SEE TABLE A)
BANDWIDTH (kHz)
MEASUREMENT
22
22
5